AnswersCR - Algebra 2 26-27 - S1Arithmetic Sequences

Arithmetic Sequences Answers

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Identify the rule that correctly describes each sequence.12, 8, 4, 0, –4, …

A
Each term is 4 more than the previous term.
B
Each term is 4 less than the previous term.
C
Each term is 1/2 the previous term.
D
Each term is 2/3 the previous term.
2
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6, 12, 24, 48, 96, …

A
Each term is 6 more than the previous term.
B
Each term is 12 more than the previous term.
C
Each term is 1/2 the previous term.
D
Each term is 2 times the previous term.
3

Stage 3:

Answer:

9

4

Stage 4:

Answer:

27

5

Black triangles: Stage 1:

Answer:

1

6

Describe the rule for this sequence by completing this sentence.The number of black triangles in each stage is the number of triangles in the previous stage.

A
2 more than
B
3 more than
C
1/3 times
D
3 times
7

Stage 2:

Answer:

3

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